Question

A new bridge between two cities reduced the travel time from 40 minutes to 10 minutes.
Find the decrease percentage of travel time.​

Answer 1

Answer:

I not understand question

Answer 2

Answer:

75%

Step by step explanation:

Travel time ,

before making of the bridge = 40 minutes

after making of the bridge =30 minutes

Now,

Decrease in time 40-10 = 30 minutes

Decrease percentage =( decrease in time ÷ travel time before the bridge) ×100

= 30÷40×100

= 0.75 ×100

= 75 %

Hence ,

The decrease percentage of travel time. is by 75%